600ML Stainless Steel Protein Shaker, no batteries, no cord, no hassle. It's powerful enough to mix the thickest ingredients with ease. Use it in the kitchen, at the office, at the gym, when you travel or on the go.The Blender Ball- springy thing, wire ball, whisker ball, scrambler, little whipper and the magic ball. Though it answers to many names, it is actually called a Blender Ball. Made of surgical-grade stainless steel, the Blender Ball wire whisk makes short work of your mixing needs. Simply drop in with your ingredients and shake. its variable speed action is up to you. Gently swirl it to stir, or shake it fast to whip it up. The ball is designed to remain in the cup until you've enjoyed the contents.